Inventories (Tables)

6 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following:

(in millions)	March 31, 2019		September 30, 2018
Raw materials and supplies	$	631	$	626
Work-in-process	34		38
Finished goods	163		160
Inventories	$	828	$	824